(5x+9)+(8x+9)=70

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Solution for (5x+9)+(8x+9)=70 equation:


Simplifying
(5x + 9) + (8x + 9) = 70

Reorder the terms:
(9 + 5x) + (8x + 9) = 70

Remove parenthesis around (9 + 5x)
9 + 5x + (8x + 9) = 70

Reorder the terms:
9 + 5x + (9 + 8x) = 70

Remove parenthesis around (9 + 8x)
9 + 5x + 9 + 8x = 70

Reorder the terms:
9 + 9 + 5x + 8x = 70

Combine like terms: 9 + 9 = 18
18 + 5x + 8x = 70

Combine like terms: 5x + 8x = 13x
18 + 13x = 70

Solving
18 + 13x = 70

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-18' to each side of the equation.
18 + -18 + 13x = 70 + -18

Combine like terms: 18 + -18 = 0
0 + 13x = 70 + -18
13x = 70 + -18

Combine like terms: 70 + -18 = 52
13x = 52

Divide each side by '13'.
x = 4

Simplifying
x = 4

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